Solution : https://service.sap.com/sap/support/notes/548795 (SAP Service marketplace login required)
Key words :
reference field reference type optionali_bank_country bnka-banksi_blz bnka-bankl xi_bank_account, reference type optional pass valuei_bank_country type banks xi_blz type bankl, reference type pass valuee_ext_blz type, european bank account numbers corresponds, xi_control_key knbk-bkont xexport parameterparameter, function module get_ext_bankaccount_no returns, create function group fbnk, create function module get_ext_bankaccount_no, xi_control_key type bkont, reference typee_ext_blz ce_ext_bank_account
Related Notes :
548681 | RFFOEDI1:Bank account number is displayed incorrectly |